CN216251504U - Flame-retardant heat-insulation audio connecting wire - Google Patents
Flame-retardant heat-insulation audio connecting wire Download PDFInfo
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- CN216251504U CN216251504U CN202120609634.2U CN202120609634U CN216251504U CN 216251504 U CN216251504 U CN 216251504U CN 202120609634 U CN202120609634 U CN 202120609634U CN 216251504 U CN216251504 U CN 216251504U
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Abstract
The utility model relates to the technical field of electronic products, in particular to a flame-retardant heat-insulation audio connecting wire, which comprises an audio connecting wire body, wherein the audio connecting wire body comprises a first transmission wire, a second transmission wire, an insulation filling layer, an outer coating layer, an outer shielding layer and an outer protective sleeve, the first transmission wire is arranged at the upper side in the audio connecting wire body and comprises a transmission wire core, an inner protective sleeve, an inner coating layer and an inner shielding layer, the transmission wire core is arranged at the middle part in the first transmission wire, the outer wall of the transmission wire core is sleeved with the inner protective sleeve, the outer wall of the inner protective sleeve is provided with the inner coating layer, the outer wall of the inner coating layer is provided with the inner shielding layer, the lower side of the first transmission wire is provided with the second transmission wire, the outer walls of the first transmission wire and the second transmission wire are provided with the insulation filling layer, the whole equipment has simple structure, strong fire resistance, higher stability and practicability and certain popularization value.
Description
Technical Field
The utility model relates to the technical field of electronic products, in particular to a flame-retardant heat-insulation audio connecting wire.
Background
The audio frequency connecting wire is used for the playing device and the loudspeaker box, the cable of transmission sound signal between the earphone, mainly used sound source (DVD, computer etc.) to the connection of audio frequency panel in the background music system, along with the development of science and technology, electronic product is also upgrading constantly, the electronic product of audio frequency class has been popularized to millions of households, therefore the demand of audio frequency connecting wire is higher and higher, the fire-retardant heat-proof quality of current audio frequency connecting wire is relatively poor, this condition that leads to its audio frequency connecting wire of audio frequency class product in long-time use to appear high temperature or catch fire easily, consequently, it improves to above-mentioned problem to need a fire-retardant heat-proof audio frequency connecting wire.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a flame-retardant and heat-insulating audio cable, which solves the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
a flame-retardant heat-insulation audio connecting line comprises an audio connecting line body, wherein the audio connecting line body comprises a first transmission line, a second transmission line, an insulation filling layer, an outer coating layer, an outer shielding layer and an outer protective cover, the first transmission line is arranged on the upper side inside the audio connecting line body and comprises a transmission line core, an inner protective cover, an inner coating layer and an inner shielding layer, the transmission line core is arranged in the middle of the inside of the first transmission line, the inner protective cover is sleeved on the outer wall of the transmission line core, the inner coating layer is arranged on the outer wall of the inner protective cover, the inner shielding layer is arranged on the outer wall of the inner coating layer, the second transmission line is arranged on the lower side of the first transmission line, the insulation filling layer is arranged on the outer walls of the first transmission line and the second transmission line, the outer coating layer is arranged on the outer wall of the insulation filling layer, the outer wall of outside coating is provided with outer shielding layer, the outer wall of outer shielding layer is provided with outside lag, the first joint is installed to the left side tip of the audio frequency connecting wire body, the second joint is installed to the right side tip of the audio frequency connecting wire body.
Preferably, the inner shielding layer and the outer shielding layer are woven by anaerobic copper wires.
Preferably, the transmission sinle silk chooses for use that tin-plated oxygen-free copper line is the heliciform winding preparation and forms.
Preferably, the inner protective sleeve is made of high-quality PVC, and the outer protective sleeve is made of halogen-free flame-retardant rubber.
Preferably, the outer coating layer and the inner coating layer are formed by winding and coating aluminum foils.
Preferably, the first transmission line and the second transmission line have the same structure.
Preferably, the insulating filling layer is made of insulating ropes, and mica tapes are uniformly wound on the outer wall of the insulating filling layer.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the integral flame-retardant heat-insulation effect of the audio connecting line body can be improved to a certain extent in the wiring harness through the uniformly wound mica tape on the outer wall of the arranged insulating filling layer, meanwhile, the integral heat-insulation performance can also be improved through the insulating filling layer, in addition, the flame-retardant heat-insulation performance of the audio connecting line body can be further enhanced through the outer protective sleeve made of halogen-free flame-retardant rubber, and further, the integral practicability and stability are stronger.
2. According to the utility model, the shielding effect of the whole audio connecting line body can be enhanced through the inner shielding layer, the outer shielding layer, the inner coating layer and the outer coating layer, so that the transmission effect is better.
Drawings
FIG. 1 is an isometric view of the present invention in its entirety;
FIG. 2 is a schematic view of a cable body of the audio cable according to the present invention;
fig. 3 is a schematic structural diagram of a first transmission line according to the present invention.
In the figure: 1. an audio connecting wire body; 2. a first transmission line; 3. a second transmission line; 4. an insulating filling layer; 5. an outer coating layer; 6. an outer shield layer; 7. an external protective jacket; 8. a transmission wire core; 9. an inner protective sleeve; 10. an inner cladding layer; 11. an inner shield layer; 12. a first joint; 13. a second joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a flame-retardant heat-insulation audio connecting line comprises an audio connecting line body 1, wherein the audio connecting line body 1 comprises a first transmission line 2, a second transmission line 3, an insulation filling layer 4, an outer coating layer 5, an outer shielding layer 6 and an outer protective cover 7, the first transmission line 2 is arranged on the upper side inside the audio connecting line body 1, the first transmission line 2 comprises a transmission line core 8, an inner protective cover 9, an inner coating layer 10 and an inner shielding layer 11, the transmission line core 8 is arranged in the middle of the inside of the first transmission line 2, the outer wall of the transmission line core 8 is sleeved with the inner protective cover 9, the outer wall of the inner protective cover 9 is provided with the inner coating layer 10, the outer wall of the inner coating layer 10 is provided with the inner shielding layer 11, the outer shielding layer 6 and the inner coating layer 10, and the outer coating layer can enhance the overall shielding effect of the audio connecting line body 1, so that the transmission effect is better, the lower side of the first transmission line 2 is provided with a second transmission line 3, the outer walls of the first transmission line 2 and the second transmission line 3 are provided with an insulating filling layer 4, a mica tape uniformly wound on the outer wall of the insulating filling layer 4 can improve the integral flame-retardant heat-insulating effect of the audio connecting line body 1 to a certain degree in the wiring harness, meanwhile, the insulating filling layer 4 can also improve the integral heat-insulating property, the outer wall of the insulating filling layer 4 is provided with an outer coating layer 5, the outer wall of the outer coating layer 5 is provided with an outer shielding layer 6, the outer wall of the outer shielding layer 6 is provided with an outer protective sleeve 7, the outer protective sleeve 7 is made of halogen-free flame-retardant rubber and can further enhance the flame-retardant heat-insulating property of the audio connecting line body 1, so that the integral practicability and stability are stronger, the left end part of the audio connecting line body 1 is provided with a first joint 12, and the right end part of the audio connecting line 1 is provided with a second joint 13, inner shield layer 11 all chooses for use the anaerobic copper wire with outer shielding layer 6 to weave and form, transmission sinle silk 8 chooses for use tin-plating anaerobic copper wire to be the heliciform winding preparation and forms, inside lag 9 chooses for use high-quality PVC preparation to form, outside lag 7 chooses for use halogen-free flame retardant rubber preparation to form, outside coating 5 all chooses for use the aluminium foil winding cladding with inside coating 10 to form, first transmission line 2 is the same completely with the structure of second transmission line 3, insulating filling layer 4 chooses for use insulating rope preparation to form, and the even winding of outer wall of insulating filling layer 4 has the mica tape.
The working process of the utility model is as follows: during the use, expand audio frequency connecting wire line body 1, later through first joint 12 and second joint 13 with audio frequency connecting wire line body 1 connect on corresponding equipment can, the even winding mica tape of insulating filling layer 4 outer wall can improve the holistic fire-retardant thermal-insulated effect of audio frequency connecting wire line body 1 to a certain extent in the pencil inside, meanwhile insulating filling layer 4 also can improve holistic thermal-insulated performance, outside lag 7 adopts the preparation of halogen-free flame retardant rubber to form the fire-retardant thermal-insulated performance that can further strengthen audio frequency connecting wire line body 1 in addition, and then make holistic practicality stronger with stability, internal shield layer 11, outer shielding layer 6 and inside coating 10, the holistic shielding effect of audio frequency connecting wire line body 1 can be strengthened to outside coating, and then make its transmission effect better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fire-retardant thermal-insulated audio frequency connecting wire, includes audio frequency connecting wire line body (1), its characterized in that: the audio connecting line body (1) comprises a first transmission line (2), a second transmission line (3), an insulating filling layer (4), an external coating layer (5), an external shielding layer (6) and an external protective sleeve (7), wherein the first transmission line (2) is arranged on the upper side inside the audio connecting line body (1), the first transmission line (2) comprises a transmission line core (8), an internal protective sleeve (9), an internal coating layer (10) and an internal shielding layer (11), the transmission line core (8) is arranged in the middle of the inside of the first transmission line (2), the internal protective sleeve (9) is sleeved on the outer wall of the transmission line core (8), the internal coating layer (10) is arranged on the outer wall of the internal protective sleeve (9), the internal shielding layer (11) is arranged on the outer wall of the internal coating layer (10), the second transmission line (3) is arranged on the lower side of the first transmission line (2), first transmission line (2) are provided with insulating filling layer (4) with the outer wall of second transmission line (3), the outer wall of insulating filling layer (4) is provided with outside coating (5), the outer wall of outside coating (5) is provided with outer shielding layer (6), the outer wall of outer shielding layer (6) is provided with external protection cover (7), first joint (12) are installed to the left side tip of the audio frequency connecting wire body (1), the second connects (13) are installed to the right side tip of the audio frequency connecting wire body (1).
2. The flame-retardant and heat-insulating audio connecting wire according to claim 1, wherein: the inner shielding layer (11) and the outer shielding layer (6) are all woven by anaerobic copper wires.
3. The flame-retardant and heat-insulating audio connecting wire according to claim 1, wherein: transmission sinle silk (8) select for use tin-plated oxygen-free copper line to be the heliciform winding preparation and form.
4. The flame-retardant and heat-insulating audio connecting wire according to claim 1, wherein: the inner protective sleeve (9) is made of high-quality PVC, and the outer protective sleeve (7) is made of halogen-free flame-retardant rubber.
5. The flame-retardant and heat-insulating audio connecting wire according to claim 1, wherein: the outer coating layer (5) and the inner coating layer (10) are formed by winding and coating aluminum foils.
6. The flame-retardant and heat-insulating audio connecting wire according to claim 1, wherein: the first transmission line (2) and the second transmission line (3) have the same structure.
7. The flame-retardant and heat-insulating audio connecting wire according to claim 1, wherein: the insulation filling layer (4) is made of insulation ropes, and mica tapes are uniformly wound on the outer wall of the insulation filling layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120609634.2U CN216251504U (en) | 2021-03-25 | 2021-03-25 | Flame-retardant heat-insulation audio connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120609634.2U CN216251504U (en) | 2021-03-25 | 2021-03-25 | Flame-retardant heat-insulation audio connecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216251504U true CN216251504U (en) | 2022-04-08 |
Family
ID=80938227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120609634.2U Active CN216251504U (en) | 2021-03-25 | 2021-03-25 | Flame-retardant heat-insulation audio connecting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216251504U (en) |
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2021
- 2021-03-25 CN CN202120609634.2U patent/CN216251504U/en active Active
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